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THE IMPORTANCE OF PASTURES IN THE SUDETEN, IN THE PROTECTION OF FLORISTIC DIVERSITY AND UTILITY VALUE
 
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Instytut Technologiczno-Przyrodniczy w Falentach, Dolnośląski Ośrodek Badawczy, ul. Gen. Z. Berlinga 7, 51-209 Wrocław
Publication date: 2014-10-21
 
Inż. Ekolog. 2013; 33:77–85
 
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ABSTRACT
The aim of this study was to analyse and evaluate the Sudeten pastures for their natural and utility value. The study was carried out in 2011 and 2012 on pastures located in two Sudeten districts: Kłodzko and Wałbrzych. Based on the analysis of grassland vegetation, the communities were classified into the class Molinio-Arrhenatheretea and orders Arrhenatheretalia and Molinietalia (anthropogenic grassland communities on fresh and fertile mineral soils). Among four different floristic types, Agrostis capilaris and Festuca rubra domination types were the most common. Valuable forage grasses were found on 23% of pastures. Their species richness turned out to be varied (32 to 83 species). The richest and poorest pastures represented mainly Agrostis capilaris and Festuca rubra floristic type. Floristic diversity expressed index H’ showed average values. Floristic composition analysis revealed the presence of strictly protected species (Carlina acaulis, Colchicum autumnale) and partially protected species (Primula veris). Household pastures were proved to be less diverse in both - terms of species richness and diversity index H’. Most of the analysed pastures (76%) had a high value (FVS <6,0). The most economically valuable ones (FVS 7,5-8,2) turned out to be located on lower altitudes, up to 500 m a.s.l. and belonged to the same type as the majority of valuable forage grasses.